Launch of NRO spy satellite delayed at least a week

The launch from Cape Canaveral of a top secret spy satellite for the U.S. government was aborted at the last moment early Saturday as its United Launch Alliance Delta 4-Heavy rocket ignited three main engines, a dramatic cutoff of the countdown that will delay the mission by at least one week. The 235-foot-tall (71.6-meter) Delta 4-Heavy rocket was three seconds from liftoff at 3:28 a.m. EDT (0728 GMT) when a computer detected a problem and automatically called the abort. More

(Source: SpaceFlight Now - Aug 30)